Peer Gynt, Op. 23 is the incidental music to Henrik Ibsen's 1867 play of the same name, written by the Norwegian composer Edvard Grieg in 1875. It premiered along with the play on 24 February 1876 in Christiania (now Oslo). The above text from the Wikipedia article "Peer Gynt (Grieg)" text is available under CC BY-SA 3.0.